Sawhorse



FIG. 1 is perspective view of the top portion of a sawhorse showing a new design;

FIG. 2 is a rear elevation view of the same top portion of a sawhorse; and,

FIG. 3 is an enlarged fragmentary perspective view thereof, the broken lines showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sawhorse, as shown and described. 